368 Mr. W. F. Kirby on a 



Micrathyria Hagenii. 



Dythemis didyma, Hagen (nee De Selya), Neur. N. Amer. p. 165 



(1861). 

 Micrathyria Hagenii, Kirb. Cat. Neur. Odcm. p. 41 (1890). 



( <$ , no. 6.) " Eyes bright green, clouded with blue. Ocelli 

 black. Epicranium, clypeus, and labrum dirty white. 



" Dorsal aspect of mesepisterna bright green, with black 

 fascia?. No turn bluish black. 



" Tergites of abdomen black ; tergites 2-5 with interrupted 

 green markings extending from the base of each tergite over 

 two thirds of its length, and forming apparently two markings 

 on each side of the median line. The apical half of these 

 markings becomes obliterated in the fifth, and in the sixth 

 there are traces only of their basal portions ; seventh with 

 two oblong markings, concolorous with the others, occu- 

 pying two thirds of the surface from the base." 



Four males. The interalary portion of the thorax above 

 is pruinose. They may represent a local form of M. Hagenii. 

 On the fore wings there are only 8 antenodal cross-nervures 

 (the last not continuous) and 6-8 postnodals. The hinder 

 segments are considerably enlarged. In most points they 

 agree very well with Hagen's description. 



Diplacodes minuscula. 



Libellula minuscula, Ramb. Ins. New. p. 115 (1842). 

 Diplax minuscula, Hag. Neur. N. Amer. p. 183 (1861). 



(Immature $ , no. 9.) " Apex of eye rufescent, remaining 

 portion green. Epicranium fuscous, with a dark metallic 

 blue reflection. Clypeus olivaceous and labrum blackish 

 towards front. 



" Dorsal aspect of mesepisterna and notum fulvous. Abdo- 

 minal tergites flavous, with black edges, and concolorous at 

 base and apex and on either side of median line, forming 

 two fenestra. 



" Cercopoda flavescent." 



A single specimen only. 



Gomphoides appendiculatus, sp. n. (PI. XV. fig. 3.) 



(<J, no. 18.) " Description lost." 



Long. corp. 50 millim. ; exp. al. 71 millim. j long. pter. 

 4 millim. 



Male. — Head and thorax reddish chocolate, head with the 

 occiput (?) (discoloured), a square spot in front of it between 

 the eyes j a transverse band before the frontal ocellus, the 



